Bibliography of Native North Americans - Covers many topics pertaining to native North Americans, including culture, history, contributions, and struggles. It contains more than 300,000 citations for books, essays, journal articles, and government documents of the United States and Canada, with coverage dating from the 16th century to the present.

Texas Digital Sanborn Maps, 1867- 1970 - Delivers detailed property and land-use records that depict the grid of everyday life in more than 12,000 U.S. towns and cities across a century of change. The maps provide a wealth of information, such as building outline, size and shape, windows and doors, street and sidewalk widths, boundaries, and property numbers. Plans often include details on construction materials and building use.